<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>获取鉴权</title>
</head>
<body>
<center>
	<form action="" method="post">
		<h3>输入设备号：<input type=text name=did><br></h3>
		<input type=submit value="获取">
	</form>
</center>
</body>
</html>
